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PbCO3 = Pb + CO3
SOCl2 + H2O = SO2 + HCl =>
SOCl2 + H2O = SO2 + 2 HCl
KI + H2SO4 = K2SO4 + I2 + SO2 + H2O =>
2 KI + 2 H2SO4 = K2SO4 + I2 + SO2 + 2 H2O
Fe2O3(s) + C(s) = Fe(s) + CO(g) =>
Fe2O3(s) + 3 C(s) = 2 Fe(s) + 3 CO(g)
H2SO4 + Ca(OH)2 = CaSO4 + H2O =>
H2SO4 + Ca(OH)2 = CaSO4 + 2 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
CuS + CuO = Cu + SO2 =>
CuS + 2 CuO = 3 Cu + SO2
FE + Cl2 = FECl3 =>
2 FE + 3 Cl2 = 2 FECl3
H2S + Cl2 + H2O = H2SO4 + HCl =>
H2S + 4 Cl2 + 4 H2O = H2SO4 + 8 HCl
ZN(s) + CUSO4(aq) = ZNSO4 + CU =>
ZN(s) + CUSO4(aq) = ZNSO4 + CU
HNO3 + Cu = Cu(NO3)2 + NO2 + H2O =>
4 HNO3 + Cu = Cu(NO3)2 + 2 NO2 + 2 H2O
P4 + Cl2 = PCl5 =>
P4 + 10 Cl2 = 4 PCl5
CH3COOH + NaOH = NaCOOH + CH3OH =>
CH3COOH + NaOH = NaCOOH + CH3OH
MnCO3 + TiO2 = MnTiO3 + CO2 =>
MnCO3 + TiO2 = MnTiO3 + CO2
BeO + HCl = BeCl + HO =>
BeO + HCl = BeCl + HO
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CuSO4*5H2O + KOH = K2SO4 + CuO + H2O =>
CuSO4*5H2O + 2 KOH = K2SO4 + CuO + 6 H2O
C7H111 + O2 = CO2 + H2O =>
4 C7H111 + 139 O2 = 28 CO2 + 222 H2O
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
HCl + Sr(OH)2 = SrCl2 + H2O =>
2 HCl + Sr(OH)2 = SrCl2 + 2 H2O
H2SO4 + B(OH)3 = B2(SO4)3 + H2O =>
3 H2SO4 + 2 B(OH)3 = B2(SO4)3 + 6 H2O
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
Mg3N2(s) + H2O(l) = MgO(s) + NH3(g) =>
Mg3N2(s) + 3 H2O(l) = 3 MgO(s) + 2 NH3(g)
MgCl2 + Na3PO4 = Mg3(PO4)2 + NaCl =>
3 MgCl2 + 2 Na3PO4 = Mg3(PO4)2 + 6 NaCl
CaCO3(s) = CaO(s) + CO2(g) =>
CaCO3(s) = CaO(s) + CO2(g)
MG + O2 = MGO =>
2 MG + O2 = 2 MGO
CH3CO2H + NaOH = H2O + NaCH3CO2 =>
CH3CO2H + NaOH = H2O + NaCH3CO2
MnCO3 + SiO2 = MnSiO3 + CO2 =>
MnCO3 + SiO2 = MnSiO3 + CO2
MnO2 + KOH = K2MnO4 + Mn(OH)2 =>
2 MnO2 + 2 KOH = K2MnO4 + Mn(OH)2
NAHSO3 + HCL = SO2 + H2O + NACL =>
NAHSO3 + HCL = SO2 + H2O + NACL
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
AsH3 + HNO3 = H3AsO4 + NO2 + H2O =>
AsH3 + 8 HNO3 = H3AsO4 + 8 NO2 + 4 H2O
ZN + CUCI2 = ZNCI2 + CU =>
ZN + CUCI2 = ZNCI2 + CU
HNO3 + Ca = NH4NO3 + Ca(NO3)2 + H2O =>
10 HNO3 + 4 Ca = NH4NO3 + 4 Ca(NO3)2 + 3 H2O
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
CO2 + CH4 = CH3COOH =>
CO2 + CH4 = CH3COOH
As2S3 + H2O + HNO3 + NaNO3 = Na2SO4 + H3AsO4 + NO =>
3 As2S3 + 4 H2O + 10 HNO3 + 18 NaNO3 = 9 Na2SO4 + 6 H3AsO4 + 28 NO
Na + Cl2 = NaCl2 =>
Na + Cl2 = NaCl2
HCl + AGNO3 = AGCl + HNO3 =>
HCl + AGNO3 = AGCl + HNO3
HNO3 + NAOH = NANO3 + H2O =>
HNO3 + NAOH = NANO3 + H2O
H2SO4(aq) + KOH(aq) = K2SO4(aq) + H2O(l) =>
H2SO4(aq) + 2 KOH(aq) = K2SO4(aq) + 2 H2O(l)
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
Ni(OH)2 + Cl2 + NaOH = Ni(OH)3 + NaCl =>
2 Ni(OH)2 + Cl2 + 2 NaOH = 2 Ni(OH)3 + 2 NaCl
Mg3N2 + H2O = Mg(OH)2 + NH3 =>
Mg3N2 + 6 H2O = 3 Mg(OH)2 + 2 NH3
CuO + HNO3 = CuNO3 + OH =>
CuO + HNO3 = CuNO3 + OH
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
HCL + NAOH = H2O + NACL =>
HCL + NAOH = H2O + NACL
C8H18 + O2 = CO2 + H20 =>
10 C8H18 + 80 O2 = 80 CO2 + 9 H20
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